A $3.5-\mathrm{m}$ ladder is leaning against the side of a building. At what rate is the top of the ladder sliding down the building if the bottom of the ladder is $0.80 \mathrm{~m}$ from the base of the building and being pulled away from the building at $2.0 \mathrm{~m} / \mathrm{s}$ ?

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The Answer of A $3.5-\mathrm{m}$ ladder is leaning against the side of a building. At what rate is the top of the ladder sliding down the building if the bottom of the ladder is $0.80 \mathrm{~m}$ from the base of the building and being pulled away from the building at $2.0 \mathrm{~m} / \mathrm{s}$ ?

A 3.5−m3.5-\mathrm{m}3.5−m Ladder Is Leaning Against the Side of a Building 0.80 m0.80 \mathrm{~m}0.80 m

A $3.5-\mathrm{m}$ Ladder Is Leaning Against the Side of a Building $0.80 \mathrm{~m}$